10000...00000 (600-digits)

This number is a composite.

+ Call this number N and you get with N+12754947401547+d the smallest 600-digit prime quintuplet to pattern d=0,4,6,10,12. For N+319491304676641+d you get the 2nd smallest 600-digit prime quintuplet to pattern d=0,2,6,8,12. [Luhn]

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